85017458 has 8 divisors (see below), whose sum is σ = 127566252. Its totient is φ = 42495376.

The previous prime is 85017451. The next prime is 85017461. The reversal of 85017458 is 85471058.

It can be written as a sum of positive squares in 2 ways, for example, as 69939769 + 15077689 = 8363^2 + 3883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (85017451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6416 + ... + 14532.

Almost surely, 2^85017458 is an apocalyptic number.

85017458 is a deficient number, since it is larger than the sum of its proper divisors (42548794).

85017458 is a wasteful number, since it uses less digits than its factorization.

85017458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13356.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 85017458 is about 9220.4912016660. The cubic root of 85017458 is about 439.7130670581.

The spelling of 85017458 in words is "eighty-five million, seventeen thousand, four hundred fifty-eight".